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Emergence of temperature in examples...

Jakovac, Antal.

Emergence of temperature in examples and related nuisances in field theory

Record Type:	Electronic resources : Monograph/item
Title/Author:	Emergence of temperature in examples and related nuisances in field theoryby Tamas Sandor Biro, Antal Jakovac.
Author:	Sandor Biro, Tamas.
other author:	Jakovac, Antal.
Published:	Cham :Springer International Publishing :2019.
Description:	x, 109 p. :ill., digital ;24 cm.
Contained By:	Springer eBooks
Subject:	Temperature.
Online resource:	https://doi.org/10.1007/978-3-030-11689-7
ISBN:	9783030116897$q(electronic bk.)

Emergence of temperature in examples and related nuisances in field theory
Sandor Biro, Tamas.

Emergence of temperature in examples and related nuisances in field theory[electronic resource] /by Tamas Sandor Biro, Antal Jakovac. - Cham :Springer International Publishing :2019. - x, 109 p. :ill., digital ;24 cm. - SpringerBriefs in physics,2191-5423. - SpringerBriefs in physics..

Preface -- Off-shell and on-shell transport -- Uncertainty, Wigner function and Unruh temperature -- Feynman-Vernon path integral -- Keldysh (two-time) formalism -- Noise from renormalization? -- Distribution of local energy packets -- Melting of spectra.

Field theory, relying on the concept of continuous space and time while confronted with the quantum physical nature of observable quantities, still has some fundamental challenges to face. One such challenge is to understand the emergence of complexity in the behavior of interacting elementary fields, including among other things nontrivial phase structures of elementary matter at high energy density or an atypical emergence of statistical properties, e.g., when an apparent temperature is proportional to a constant acceleration in a homogeneous gravitational field. Most modern textbooks on thermal field theory are mainly concerned with how the field theory formalism should be used if a finite temperature is given. In contrast, this short primer explores how the phenomenon of temperature emerges physically for elementary fields - inquiring about the underlying kinetic field theory and the way energy fluctuations and other noise should be handled - and it investigates whether and how this harmonizes with traditional field theory concepts like spectral evolution, the Keldysh formalism, and phase transitions.

ISBN: 9783030116897$q(electronic bk.)

Standard No.: 10.1007/978-3-030-11689-7doiSubjects--Topical Terms:

833973
Temperature.

LC Class. No.: QC793.3.F5 / S2 2019

Dewey Class. No.: 530.143

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520 $a Field theory, relying on the concept of continuous space and time while confronted with the quantum physical nature of observable quantities, still has some fundamental challenges to face. One such challenge is to understand the emergence of complexity in the behavior of interacting elementary fields, including among other things nontrivial phase structures of elementary matter at high energy density or an atypical emergence of statistical properties, e.g., when an apparent temperature is proportional to a constant acceleration in a homogeneous gravitational field. Most modern textbooks on thermal field theory are mainly concerned with how the field theory formalism should be used if a finite temperature is given. In contrast, this short primer explores how the phenomenon of temperature emerges physically for elementary fields - inquiring about the underlying kinetic field theory and the way energy fluctuations and other noise should be handled - and it investigates whether and how this harmonizes with traditional field theory concepts like spectral evolution, the Keldysh formalism, and phase transitions.
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